Yarm at a glance
- Postcode districts
- TS15
- Population
- about 19,184 (GeoNames)
- Council area
- Stockton-on-Tees Borough Council
- Building approval
- Stockton-on-Tees Borough Council building control, or a registered building control approver
- Nearest main town
- Stockton-on-Tees, about 5 miles
- Guide price region
- Yorkshire and the Humber (−5% on West Midlands rates)
What does a balcony or terrace in Yarm need?
Door thresholds are a common reason for balcony work in Yarm. Where a door was fitted with a low step-out and no drainage channel, water driven against the frame finds its way under the sill. Re-waterproofing gives the chance to rebuild that detail properly.
Yarm's flat roofs are mostly on shops with flat-roofed rear stores below flats, with plenty on lock-up garage blocks on estates too. England averages roughly 870 mm of rain a year; the Pennine side of Yorkshire is wetter and windier than the east, so we specify for the site rather than the county.
How much does balcony or terrace waterproofing cost in Yarm?
For Yarm we use Yorkshire and the Humber rates: £1,800–£3,100 is the guide for a 12 m² balcony in a liquid-applied system including scaffold, VAT included. The fixed price comes after a free survey for new and replacement roofs.
| Job | Guide price inc VAT |
|---|---|
| Balcony (12 m²), liquid-applied, scaffold | £1,800–£3,100 |
| Single garage (18 m²), EPDM rubber | £1,500–£2,650 |
| Extension (20 m²), GRP, new deck + insulation | £2,850–£5,100 |
Which waterproofing system is best for a balcony?
For most small balconies, a liquid-applied membrane is the practical choice, because it is brushed or rolled on and forms one continuous layer around posts, door frames and outlets with no seams to fail. Many systems include a hard-wearing, anti-slip topcoat.
GRP fibreglass gives a rigid, walkable surface and suits balconies left exposed rather than paved. On larger roof terraces under paving or decking, single-ply membranes are common, and mastic asphalt has a long record on concrete terraces and blocks of flats.
The choice also depends on what goes on top. Paving on pedestals protects the membrane, while an exposed balcony needs a system rated for foot traffic in its own right. We specify the build-up at survey.
What's included?
- Strip-out of the failed membrane and deck repairs
- Lifting and setting aside of existing paving or decking
- Sealed details at doors, outlets, walls and balustrade posts
- Free survey of the deck, falls, outlets and door thresholds
Building regulations in England
Replacing more than half of a flat roof over a heated room usually counts as renovating a thermal element, so the roof is insulated to around 0.16 W/m²K where that's technically and economically feasible, and the work is notified to building control: the council or a registered building control approver, unless a registered competent person self-certifies it. A roof on a new extension is built to 0.15 W/m²K. Patch repairs, and most unheated detached garages, don't trigger the upgrade. Structural changes, or a new covering that adds 15% or more to the roof's weight, also need approval. More on the rules.
Which nearby areas do we also cover?
- Thornaby-on-Tees · 3 mi
- Stockton-on-Tees · 5 mi
- Billingham · 6 mi
- Middlesbrough · 7 mi
- Darlington · 8 mi
- Newton Aycliffe · 12 mi
Balconies and roof terraces in Yarm: questions
Do you cover Yarm?
Yes. Yarm is part of our North Yorkshire coverage, including postcode districts TS15. Surveys and roofs are carried out by vetted roofing teams working under S&K Property Investments and Improvement Ltd.
Who checks building regulations for a flat roof in Yarm?
Where the work needs approval it goes to Stockton-on-Tees Borough Council building control, or a registered building control approver. We tell you at the survey whether your job needs it and deal with the paperwork as part of the quote.
How much does balcony or terrace waterproofing cost in Yarm?
£1,800–£3,100 for a 12 m² balcony in a liquid-applied system including scaffold, at Yorkshire and the Humber guide rates including VAT. The fixed price comes after a free survey for new and replacement roofs.
Can you waterproof a balcony without lifting the tiles?
Sometimes a liquid system can go over a sound, well-bonded surface, but if water is already getting under the tiles they usually have to come up.
Do you install balustrades?
Our work is the waterproofing and drainage. We detail the membrane around balustrade fixings so they stay watertight, and we can advise on where posts should be fixed.